| System Name | Type | Flavor | City | County | Updated |
|---|---|---|---|---|---|
| Changi International Airport | Motorola | Type II Smartnet | Singapore | N/A | 2014-03-26 |
| Singapore Government | TETRA | Standard | Singapore | N/A | 2011-02-05 |
| Singapore International Airlines | TETRA | Standard | Singapore | N/A | 2005-06-07 |
| Singtel, SMR 1 | Project 25 | Phase I | Singapore | N/A | 2014-03-26 |
| Singtel, SMR 2 | Motorola | Type II SmartZone | Singapore | N/A | 2014-09-02 |
| Unid Singapore Project 25 | Project 25 | Phase I | Singapore | Statewide | 2014-03-26 |
